JPS55123345A - Exhaust gas reflux apparatus - Google Patents

Exhaust gas reflux apparatus

Info

Publication number
JPS55123345A
JPS55123345A JP2848379A JP2848379A JPS55123345A JP S55123345 A JPS55123345 A JP S55123345A JP 2848379 A JP2848379 A JP 2848379A JP 2848379 A JP2848379 A JP 2848379A JP S55123345 A JPS55123345 A JP S55123345A
Authority
JP
Japan
Prior art keywords
valve
amount
egr
detector
surely
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2848379A
Other languages
Japanese (ja)
Inventor
Minoru Bito
Takahide Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2848379A priority Critical patent/JPS55123345A/en
Publication of JPS55123345A publication Critical patent/JPS55123345A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F02M26/57—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves using electronic means, e.g. electromagnetic valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/48—EGR valve position sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

PURPOSE:To surely control an EGR (exhaust gas reflux) valve and to surely detect malfunction of it by installing a detector of the amount of valve opening to feedback it to a control unit, together with an alarm which is actuated when the ratio of the amount of valve opening to a set value is over a fixed value. CONSTITUTION:A shaft 60 is equipped with a detector 26 of the amount of valve opening. The output of the detector is feedbacked to a control circuit 28. Also installed is an alarm 42 which is actuated when the ratio of the output of the detector 26 to the output of an EGR amount-setting arithmetic and logic unit 24 is over a fixed value. Thus, since the amount of opening of an EGR valve 20 is always watched, the EGR valve 20 can be surely controlled. In addition, since when the valve of the EGR valve 20 is sticked to its valve seat, or its diaphragm is cracked, the alarm 42 is actuated, a trouble of the EGR valve can be surely detected.
JP2848379A 1979-03-12 1979-03-12 Exhaust gas reflux apparatus Pending JPS55123345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2848379A JPS55123345A (en) 1979-03-12 1979-03-12 Exhaust gas reflux apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2848379A JPS55123345A (en) 1979-03-12 1979-03-12 Exhaust gas reflux apparatus

Publications (1)

Publication Number Publication Date
JPS55123345A true JPS55123345A (en) 1980-09-22

Family

ID=12249899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2848379A Pending JPS55123345A (en) 1979-03-12 1979-03-12 Exhaust gas reflux apparatus

Country Status (1)

Country Link
JP (1) JPS55123345A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891342A (en) * 1981-11-17 1983-05-31 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Method and device for controlling quantity of exhaust gas returned in internal combustion engine
DE3532783A1 (en) * 1984-09-13 1986-03-13 Honda Giken Kogyo K.K., Tokio/Tokyo METHOD FOR CONTROLLING AN EXHAUST GAS RECIRCULATION VALVE PROVIDED IN AN INTERNAL COMBUSTION ENGINE
JPS61212659A (en) * 1985-03-19 1986-09-20 Diesel Kiki Co Ltd Exhaust gas recirculation control device for internal-combustion engine
US4723528A (en) * 1986-02-28 1988-02-09 Fuji Jukogyo Kabushiki Kaisha Diagnosing system for an exhaust gas recirculation system of an automotive engine
JPS63201355A (en) * 1987-02-16 1988-08-19 Hitachi Ltd Trouble diagnosing device for exhaust gas recirculating device
JPS63215863A (en) * 1987-03-03 1988-09-08 Mazda Motor Corp Exhaust gas reflux device for engine
US4823798A (en) * 1986-03-12 1989-04-25 Fuji Jukogyo Kabushiki Kaisha Diagnosing system for an exhaust gas recirculation system of an automotive engine
JPH04103865A (en) * 1990-08-21 1992-04-06 Honda Motor Co Ltd Exhaust air circulation control method for internal combustion engine
US5241943A (en) * 1991-08-30 1993-09-07 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control method for internal combustion engines
EP0812983A3 (en) * 1996-06-12 1998-07-01 Toyota Jidosha Kabushiki Kaisha A malfunction determining apparatus of an exhaust gas recirculation system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891342A (en) * 1981-11-17 1983-05-31 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Method and device for controlling quantity of exhaust gas returned in internal combustion engine
DE3532783A1 (en) * 1984-09-13 1986-03-13 Honda Giken Kogyo K.K., Tokio/Tokyo METHOD FOR CONTROLLING AN EXHAUST GAS RECIRCULATION VALVE PROVIDED IN AN INTERNAL COMBUSTION ENGINE
US4665882A (en) * 1984-09-13 1987-05-19 Honda Giken Kogyo K.K. Method of controlling an exhaust gas recirculating valve in an internal combustion engine
DE3532783C2 (en) * 1984-09-13 1989-02-09 Honda Giken Kogyo K.K., Tokio/Tokyo, Jp
JPS61212659A (en) * 1985-03-19 1986-09-20 Diesel Kiki Co Ltd Exhaust gas recirculation control device for internal-combustion engine
US4723528A (en) * 1986-02-28 1988-02-09 Fuji Jukogyo Kabushiki Kaisha Diagnosing system for an exhaust gas recirculation system of an automotive engine
US4823798A (en) * 1986-03-12 1989-04-25 Fuji Jukogyo Kabushiki Kaisha Diagnosing system for an exhaust gas recirculation system of an automotive engine
JPS63201355A (en) * 1987-02-16 1988-08-19 Hitachi Ltd Trouble diagnosing device for exhaust gas recirculating device
JPS63215863A (en) * 1987-03-03 1988-09-08 Mazda Motor Corp Exhaust gas reflux device for engine
JPH04103865A (en) * 1990-08-21 1992-04-06 Honda Motor Co Ltd Exhaust air circulation control method for internal combustion engine
US5113835A (en) * 1990-08-21 1992-05-19 Honda Giken Kogyo K.K. (Honda Motor Co., Ltd. In English) Method of controlling exhaust gas recirculation for an internal combustion engine
US5241943A (en) * 1991-08-30 1993-09-07 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control method for internal combustion engines
EP0812983A3 (en) * 1996-06-12 1998-07-01 Toyota Jidosha Kabushiki Kaisha A malfunction determining apparatus of an exhaust gas recirculation system

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